update Introduction slides

[nehamoopen]

The updated slides can be limited to:

• Welcome! Who Are You?
• Reproducibility Horror Story
• Reflection on Reproducibility Horror Story
• What Will We Do In Today's Workshop?

We can remove:

• Slide 2 (Thanks)
• Slide 3 (General Guidelines & Advice)
• Slide 6 (Four Facets of Reproducibility)
• Slide 8 (What Do We Except From You)